Clypeolus, a new acritarch genus from the Ordovician and Silurian

被引：3
|
作者：
Miller, MA
Playford, G
Le Herisse, A
机构：
[1] Amoco Prod Co, Amoco Explorat & Prod Technol Grp, Houston, TX 77253 USA
[2] Univ Queensland, Dept Earth Sci, Brisbane, Qld 4072, Australia
[3] Univ Bretagne Occidentale, UFR Sci & Tech, F-29285 Brest, France
来源：
REVIEW OF PALAEOBOTANY AND PALYNOLOGY | 1997年 / 98卷 / 1-2期
关键词：
morphology; Ordovician; Silurian; Acritarcha; prasinophytes; dinoflagellates; zygnematacean algae;
D O I：
10.1016/S0034-6667(97)00019-5
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Clypeolus Miller, Playford et Le Herisse, gen. nov. is established as a new acritarch genus based on C. tortugaides (Cramer) Miller, Playford et Le Herisse, comb. nov. et emend. as the type species. The genus incorporates distinctly muronate vesicles that are shield-like or hemispherical and open equatorially, possibly resulting from an undetermined excystment structure. C. tortugaides has been recovered infrequently from strata in Australia, North America, Saudi Arabia, Spain, Sweden and Turkey, and ranges in age from Middle Ordovician to Late Silurian. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：95 / 103
页数：9
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